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State Street SPDR Bloomberg 1-3 BIL 91.56 0.03 0.04%

Previous-day view · Fri Sep 18 close. You are previewing the previous trading day. Subscribe to see today live and every other date — plans start at Delta, $39/mo. Sign up Sign in
Group
Window
Scale
Plotted 3/8
Metric library

Volatility

Interactive timeline

BIL / Comparative study

3 signals / 509 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.06
19.01
Mean
17.9
Window
+15.1%
ATM IV z 1.51
0.13
Mean
0.05
Window
+402.0%
IV Percentile z 1.04
87.95
Mean
56.07
Window
+48.7%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.66 0.61
ATM IV 0.66 1.00 0.54
IV Percent... 0.61 0.54 1.00
Source observations

Data inspector

1-50 of 509
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-18 91.56 19.01 0.13 87.95
2026-09-17 91.53 5.51 0.04 43.37
2026-09-16 91.51 19.85 0.13 88.76
2026-09-15 91.51 12.5 0.08 77.11
2026-09-14 91.5 10.63 0.07 71.37
2026-09-11 91.5 18.16 0.12 87.95
2026-09-10 91.47 11.84 0.08 75.5
2026-09-09 91.46 12.39 0.08 77.11
2026-09-08 91.46 12.53 0.08 77.91
2026-09-07 91.45 5.84 0.04 50
2026-09-04 91.45 5.32 0.04 44.18
2026-09-03 91.42 9.99 0.07 71.49
2026-09-02 91.4 5.93 0.04 51.41
2026-09-01 91.39 5.5 0.04 47.18
2026-08-31 91.66 7.37 0.05 62.35
2026-08-28 91.65 13.49 0.09 79.44
2026-08-27 91.63 3.47 0.02 23.39
2026-08-26 91.63 33.9 0.23 97.58
2026-08-25 91.62 15.83 0.11 85.89
2026-08-24 91.61 6.14 0.04 54.25
2026-08-21 91.6 9.06 0.06 70.16
2026-08-20 91.57 25.34 0.17 91.53
2026-08-19 91.57 16.25 0.11 87.1
2026-08-18 91.56 10.06 0.07 74.19
2026-08-17 91.55 15.68 0.11 86.23
2026-08-14 91.53 15.65 0.11 86.29
2026-08-13 91.51 12.2 0.08 79.84
2026-08-12 91.51 11.57 0.08 78.63
2026-08-11 91.49 5.34 0.04 51.21
2026-08-10 91.48 11.26 0.08 77.73
2026-08-07 91.48 13.01 0.09 81.05
2026-08-06 91.45 15.52 0.1 86.29
2026-08-05 91.43 5.33 0.04 52.42
2026-08-04 91.42 13.91 0.09 83.47
2026-08-03 91.42 13.79 0.09 83.4
2026-07-31 91.68 30.76 0.21 95.56
2026-07-30 91.65 13.02 0.09 83.06
2026-07-29 91.64 31.14 0.21 95.97
2026-07-28 91.63 10.24 0.07 79.84
2026-07-27 91.62 13.66 0.09 84.21
2026-07-24 91.61 6.7 0.05 68.55
2026-07-23 91.58 9.47 0.06 77.82
2026-07-22 91.58 4.46 0.03 43.95
2026-07-21 91.56 4.66 0.03 48.79
2026-07-20 91.56 15.44 0.1 86.64
2026-07-17 91.55 4.48 0.03 45.56
2026-07-16 91.53 11.59 0.08 82.66
2026-07-15 91.52 4.76 0.03 50
2026-07-14 91.51 5.46 0.04 57.66
2026-07-13 91.5 11.31 0.08 82.19